#Mastro_Conti .List_Table > tbody > tr > td:nth-child(1) {
    font-weight: bold;
    color: #313534;
}

#Mastro_Conti .List_Table > tbody > tr > td:nth-child(3) {
    font-weight: bold;
}

#Mastro_Conti .List_Table > tbody > tr > td:nth-child(4) {
    width: 30px;
}